Powder of a vinylpyrrolidone polymer and a process for production thereof
    11.
    发明授权
    Powder of a vinylpyrrolidone polymer and a process for production thereof 有权
    乙烯基吡咯烷酮聚合物的粉末及其制备方法

    公开(公告)号:US07910672B2

    公开(公告)日:2011-03-22

    申请号:US11666883

    申请日:2005-11-02

    IPC分类号: C08F26/10

    摘要: The present invention is a powder of a vinylpyrrolidone polymer having a K value of smaller than 50, characterized in that a content of particles having a particle diameter of 106 μm or smaller is 10% by mass or less and a content of particles having a particle diameter of greater than 1,000 μm is 5% by mass or lower. A process for production of a powder of a vinylpyrrolidone polymer according to the present invention is characterized in that a vinylpyrrolidone polymer having a K value of smaller than 50 is formed into a solution having a concentration from 30% to 70% by mass, and the solution is dried by using a hot surface adhesion-type dryer, followed by pulverization so that a content of particles having a particle diameter of 106 μm or smaller is 10% by mass or lower and a content of particles having a particle diameter of greater than 1,000 μm is 5% by mass or lower.Thus, there is provided a powder of a vinylpyrrolidone polymer, which has excellent solubility in spite of having a low K value determined by a Fikentscher method and can be made into solution with favorable handleability without dust rising, and a process for production of the same.

    摘要翻译: 本发明是K值小于50的乙烯基吡咯烷酮聚合物的粉末,其特征在于,粒径为10μm以下的粒子的含量为10质量%以下,具有粒子的粒子的含量 大于1000μm的直径为5质量%以下。 本发明的乙烯基吡咯烷酮聚合物粉末的制造方法的特征在于,将K值小于50的乙烯基吡咯烷酮聚合物形成浓度为30〜70质量%的溶液, 溶液通过使用热表面粘附型干燥器进行干燥,然后粉碎,使得粒径为10μm以下的颗粒的含量为10质量%以下,粒径为 1,000μm为5质量%以下。 因此,提供了一种乙烯基吡咯烷酮聚合物的粉末,尽管具有通过Fikentscher方法测定的低K值而具有优异的溶解性,并且可以制成具有良好可操作性而没有粉尘升高的溶液及其制备方法 。

    Hydraulic composition
    12.
    发明授权
    Hydraulic composition 失效
    液压成分

    公开(公告)号:US07345103B2

    公开(公告)日:2008-03-18

    申请号:US10931233

    申请日:2004-09-01

    IPC分类号: C04B24/26

    摘要: It is an object of the present invention to provide a hydraulic composition which enables both of high fluidity and material separation reducing and can eliminate the delay of setting. The present invention is directed to a hydraulic composition comprising cement (A), a copolymer (B), a high-performance water reducing agent (C) and a powdery cement admixture (D), wherein the copolymer (B) comprises a repeating unit (I) represented by the following formula (1); (wherein R1 represents a hydrogen atom or a methyl group. n is an integer of 2 to 4.), and a repeating unit (II) represented by the following general formula (2); (wherein R2, R3 and R4 are same or different and each represents a hydrogen atom, a methyl group or a (CH2)pCOOM2 group, and may form a structure of an anhydride when the total number of COOM1 groups and COOM2 groups are 2. M1 and M2 are same or different and each represents a hydrogen atom, a monovalent metal, a divalent metal, an ammonium group or an organic ammonium group, and p is an integer of 0 to 2).

    摘要翻译: 本发明的目的是提供一种能够降低流动性和材料分离性的水硬性组合物,能够消除凝固的延迟。 本发明涉及包含水泥(A),共聚物(B),高性能减水剂(C)和粉末水泥掺混物(D)的水硬性组合物,其中共聚物(B)包含重复单元 (I)表示的化合物。 (其中R 1表示氢原子或甲基,n为2〜4的整数)和下述通式(2)表示的重复单元(II)。 (其中R 2,R 3和R 4)相同或不同,各自表示氢原子,甲基或(CH 3) 当COOM <! - SIPO - >组的总数时,可以形成酸酐的结构 和COOM 2个基团是2.M 1和M 2相同或不同,并且各自表示氢原子,一价金属,二价 金属,铵基或有机铵基,p为0〜2的整数)。

    N-vinyl amide polymer and production method thereof
    13.
    发明授权
    N-vinyl amide polymer and production method thereof 失效
    N-乙烯基酰胺聚合物及其制备方法

    公开(公告)号:US07214753B2

    公开(公告)日:2007-05-08

    申请号:US11086758

    申请日:2005-03-23

    IPC分类号: C08F26/08

    CPC分类号: C08F26/02 C08F26/10

    摘要: The present invention provides an innovative N-vinylamide polymer with decreased contents of impurities and suppressed coloration, a higher K-value, and preferably usable in a variety of fields such as cosmetic and pharmaceutical products, and to provide a production method of the polymer. An N-vinylamide polymer comprising an N-vinylamide monomer unit, wherein the N-vinylamide polymer has K-value of 60 or higher, a content of hydrolysis products of N-vinylamide monomer of 0.02% by weight or less, a content of ashes of 0.1% by weight or less, and hue of 10% aqueous solution of 10 or less measured according to JIS K0071.

    摘要翻译: 本发明提供了一种具有降低的杂质含量和抑制着色,更高的K值并且优选可用于各种领域如化妆品和药物产品的创新的N-乙烯基酰胺聚合物,并且提供了聚合物的制备方法。 包含N-乙烯基酰胺单体单元的N-乙烯基酰胺聚合物,其中所述N-乙烯基酰胺聚合物的K值为60以上,N-乙烯基酰胺单体的水解产物的含量为0.02重量%以下,灰分含量 为0.1重量%以下,根据JIS K0071测定的10%以下的10%以下的色相。

    Hydraulic composition
    14.
    发明申请
    Hydraulic composition 失效
    液压成分

    公开(公告)号:US20050045070A1

    公开(公告)日:2005-03-03

    申请号:US10931233

    申请日:2004-09-01

    摘要: It is an object of the present invention to provide a hydraulic composition which enables both of high fluidity and material separation reducing and can eliminate the delay of setting. The present invention is directed to a hydraulic composition comprising cement (A), a copolymer (B), a high-performance water reducing agent (C) and a powdery cement admixture (D), wherein the copolymer (B) comprises a repeating unit (I) represented by the following formula (1); (wherein R1 represents a hydrogen atom or a methyl group. n is an integer of 2 to 4.), and a repeating unit (II) represented by the following general formula (2); (wherein R2, R3 and R4 are same or different and each represents a hydrogen atom, a methyl group or a (CH2)pCOOM2 group, and may form a structure of an anhydride when the total number of COOM1 groups and COOM2 groups are 2. M1 and M2 are same or different and each represents a hydrogen atom, a monovalent metal, a divalent metal, an ammonium group or an organic ammonium group, and p is an integer of 0 to 2).

    摘要翻译: 本发明的目的是提供一种能够降低流动性和材料分离性的水硬性组合物,能够消除凝固的延迟。 本发明涉及包含水泥(A),共聚物(B),高性能减水剂(C)和粉末水泥掺混物(D)的水硬性组合物,其中共聚物(B)包含重复单元 (I)表示的化合物。 (其中R 1表示氢原子或甲基,n为2〜4的整数)和下述通式(2)表示的重复单元(II)。 (其中R 2,R 3和R 4相同或不同,各自表示氢原子,甲基或(CH 2)p COOM 2基团,并且可以形成酸酐的结构,当 COOM 1和COOM 2基团的总数为2.M 1和M 2相同或不同,各代表氢原子,一价金属,二价金属,铵基或 有机铵基,p为0〜2的整数)。

    Organic sulfide compound and method for production thereof
    15.
    发明授权
    Organic sulfide compound and method for production thereof 失效
    有机硫化物及其制造方法

    公开(公告)号:US5959147A

    公开(公告)日:1999-09-28

    申请号:US911443

    申请日:1997-08-12

    CPC分类号: C07C319/16

    摘要: This invention concerns a novel organic sulfide compound obtained by the reaction of a mercapto alkanol such as 2-mercapto ethanol with an unsaturated amide such as (meth)acrylamide, maleic acid diamide, or fumaric acid diamide and a method for the production of the organic sulfide compound. The invention enables novel organic sulfide compounds of great commercial utility to be obtained with a high yield on a commercial scale.

    摘要翻译: 本发明涉及通过巯基链烷醇如2-巯基乙醇与不饱和酰胺如(甲基)丙烯酰胺,马来酸二酰胺或富马酸二酰胺的反应而获得的新型有机硫化物,以及生产有机硫化物的方法 硫化物化合物。 本发明能够以商品化的高收率获得商业利用的新型有机硫化物。

    Process for producing alkylene sulfide
    16.
    发明授权
    Process for producing alkylene sulfide 失效
    硫化亚烷的生产方法

    公开(公告)号:US5763620A

    公开(公告)日:1998-06-09

    申请号:US751362

    申请日:1995-11-22

    IPC分类号: C07D331/02

    CPC分类号: C07D331/02

    摘要: A process for producing an alkylene sulfide, which comprises the step of subjecting a mercaptoalkanol to an intramolecular dehydration reaction in the presence of an acidic dehydration catalyst, to produce the alkylene sulfide, in which the intramolecular dehydration reaction is conducted under at least one conditions of (1) to (3). (1) The intramolecular dehydration reaction is conducted in at least one solvent selected from the group consisting of compounds having an amide group N-substituted with a hydrocarbon group having from 1 to 6 carbon atoms, compounds having an unsubstituted amide group, compounds having a ureylene group N-substituted with a hydrocarbon group having from 1 to 6 carbon atoms, and compounds having an unsubstituted ureylene group. (2) The intramolecular dehydration reaction is conducted in a solvent under such temperature and pressure conditions that the reaction temperature T (.degree.C.) and the boiling point tb (.degree.C.) of the solvent at the reaction pressure satisfy equation (tb-30).ltoreq.T.ltoreq.tb. (3) The intramolecular dehydration reaction is conducted in a solvent in the presence of a hydrocarbon having a boiling point at ordinary pressure of from 30.degree. C. to 180.degree. C. When the hydrocarbon has from 6 to 9 carbon atoms, the above-described effects are enhanced further. When the concentration of the hydrocarbon in the reaction mixture is maintained in the range of from 0.1 to 10% by weight, the above-described effects are enhanced even more.

    摘要翻译: 一种生产亚烷基硫化物的方法,其包括在酸性脱水催化剂存在下使巯基烷醇进行分子内脱水反应,生成亚烷基硫化物的步骤,其中分子内脱水反应在至少一种 (1)〜(3)。 (1)分子内脱水反应在至少一种溶剂中进行,所述溶剂选自由具有1至6个碳原子的烃基取代的酰胺基的化合物,具有未取代的酰胺基的化合物,具有 具有1〜6个碳原子的烃基取代的亚芳基和具有未取代的亚芳基的化合物。 (2)分子内脱水反应在溶剂中,在反应压力下的溶剂的反应温度T(℃)和沸点tb(℃)在温度和压力条件下进行,满足方程式(tb- 30)